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An expression that relates thermal current fluctuations in two terminal networks at quasi-equilibrium to their current voltage characteristics is presented. It is based upon the observation that the available thermal noise power at…

Statistical Mechanics · Physics 2011-07-19 D. Ritter

We have theoretically investigated electromechanical properties of freely suspended carbon nanotubes when a current is injected into the tubes using a scanning tunneling microscope. We show that a shuttle-like electromechanical instability…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 L. M. Jonsson , L. Y Gorelik , R. I. Shekhter , M. Jonson

Strong coupling between electronic and mechanical degrees of freedom is a basic requirement for the operation of any nanoelectromechanical device. In this Review we consider such devices and in particular investigate the properties of small…

Mesoscale and Nanoscale Physics · Physics 2010-04-07 Robert I. Shekhter , Fabio Santandrea , Gustav Sonne , Leonid Y. Gorelik , Mats Jonson

A cross-shaped diffusive system with two superconducting and two normal electrodes is considered. A voltage $eV < \Delta$ is applied between the normal leads. Even in the absence of average current through the superconducting electrodes…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 K. E. Nagaev

We use particle dynamics simulations to probe the correlations between noise and dynamics in a variety of disordered systems, including superconducting vortices, 2D electron liquid crystals, colloids, domain walls, and granular media. The…

Superconductivity · Physics 2009-11-10 C. J. Olson Reichhardt , C. Reichhardt

We studied electric current and noise in planar GaN nanowires (NWs). The results obtained at low voltages provide us with estimates of the depletion effects in the NWs. For larger voltages, we observed the space-charge limited current…

Mesoscale and Nanoscale Physics · Physics 2017-01-17 V. A. Sydoruk , S. A. Vitusevich , H. Hardtdegen , M. V. Petrychuk , A. V. Naumov , V. V. Korotyeyev , V. A. Kochelap , A. E. Belyaev

We develop methods for calculating the zero-frequency noise for quantum shuttles, i.e. nanoelectromechanical devices where the mechanical motion is quantized. As a model system we consider a three-dot array, where the internal electronic…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Christian Flindt , Tomas Novotny , Antti-Pekka Jauho

It is shown that electron-electron interactions lead to a novel quantum-interference contribution to non-equilibrium current noise in mesoscopic conductors. The corresponding noise spectrum is obtained in detail for diffusive systems. It is…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 Felix von Oppen , Ady Stern

In the paper we are concerned with the large time behavior of solutions to the one-dimensional Navier-Stokes-Poisson system in the case when the potential function of the self-consistent electric field may take distinct constant states at…

Analysis of PDEs · Mathematics 2014-12-31 Renjun Duan , Shuangqian Liu

Understanding the stability mechanism of surface micro/nanobubbles adhered to gas-evolving electrodes is essential for improving the efficiency of water electrolysis, which is known to be hindered by the bubble coverage on electrodes. Using…

Fluid Dynamics · Physics 2024-04-16 Yixin Zhang , Xiaojue Zhu , Jeffery A. Wood , Detlef Lohse

We theoretically evaluate the impact of drift-free noise on the dynamics of $\mathcal{PT}$-symmetric non-Hermitian systems with an exceptional point, which have recently been proposed for sensors. Such systems are currently considered as…

Optics · Physics 2019-07-11 Christian Wolff , Christos Tserkezis , N. Asger Mortensen

We present a set of experimental results concerning the power spectrum of current noise, detected on a granular high Tc superconductor submitted either to a slowly varying magnetic field or to a varying current intensity. Experiments were…

Superconductivity · Physics 2009-11-10 P. Mazzetti , P. Tura , A. Masoero , A. Stepanescu

The steady-state current-voltage response of ion-selective systems varies as the number of ion-selective components is varied. For the highly investigated unipolar system, including only one ion-selective component, it has been shown that…

Mesoscale and Nanoscale Physics · Physics 2024-11-27 Ramadan Abu-Rjal , Yoav Green

We study a general model describing a self-detecting single electron transistor realized by a suspended carbon nanotube actuated by a nearby antenna. The main features of the device, recently observed in a number of experiments, are…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 A. Nocera , C. A. Perroni , V. Marigliano Ramaglia , V. Cataudella

In this paper, we present an exact formalism for transient current-current correlations and transient noise spectra. The exact solution of transient current correlations in both the time domain and the frequency domain are obtained. Without…

Mesoscale and Nanoscale Physics · Physics 2014-03-19 Pei-Yun Yang , Chuan-Yu Lin , Wei-Min Zhang

We study intrinsic noise of current in a superconducting single-electron transistor, taking into account both coherence effects and Coulomb interaction near a Cooper-pair resonance. Due to this interplay, the statistics of tunneling events…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Mahn-Soo Choi , Francesco Plastina , Rosario Fazio

We review a semiclassical theory of high-field noise in degenerate conductors, based on propagator solutions to the Boltzmann equation for the fluctuation distribution function. The theory provides a microscopic description of…

Condensed Matter · Physics 2007-05-23 F. Green , M. P. Das

We investigate a superconducting single-electron transistor capacitively coupled to a nanomechanical oscillator and focus on the double Josephson quasiparticle resonance. The existence of two coherent Cooper pair tunneling events is shown…

Mesoscale and Nanoscale Physics · Physics 2009-05-05 V. Koerting , T. L. Schmidt , C. B. Doiron , B. Trauzettel , C. Bruder

Effects of a coupling between the mechanical vibrations of a quantum dot placed between the two leads of a single electron transistor and coherent tunneling of electrons through a single level in the dot has been studied. We have found that…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 D. Fedorets , L. Y. Gorelik , R. I. Shekhter , M. Jonson

We carry out a self-consistent analytical theory of unipolar current and noise properties of metal-semiconductor-metal structures made of highly resistive semiconductors in the presence of an applied bias of arbitrary strength. By including…

Statistical Mechanics · Physics 2009-11-07 G. Gomila , I. R. Cantalapiedra , L. Reggiani